Indian engineering, medical, agriculture and university admissions are not decided by one exam. They are decided by a
merit score that each conducting authority builds out of two or
three different inputs, then uses to rank every eligible applicant. A "cutoff" is simply the last score that was
offered a seat in a given college and course.
These 2 rules are applied by 2 different named authorities across Delhi (Central University), Tamil Nadu, which is exactly why a score from one of them cannot be swapped for a score from another.
The inputs differ too.
DU CUET Merit, TNGASA Arts & Science
read
4 separate subject or paper marks
each (4, 4 marks).
The shared weighting philosophy
Across these 2 rules the pattern is consistent: each authority names the subjects or papers that
count, states how many marks each one contributes, and then sums the components.
The total is always the sum of those components, so your score is directly comparable with the closing cutoff
printed in the counselling prospectus.
Two consequences follow. First, entering a subject mark on the wrong scale (for example a subject printed out of 200
when the rule expects out of 100) silently produces a wrong score, so normalise before you type. Second, because
components are weighted unequally, a high mark in one subject can be worth more than a low mark in another — which
is exactly why the official tie-breaking order exists for candidates who finish level on the composite.
How to choose between them
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Match the rule to your admission route, not the other way round. Your
state quota counselling only accepts the authority that runs it. A strong score in another authority's exam
cannot be converted into a seat here.
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Check the eligibility gate before optimising the score.
Most of these rules still carry a minimum aggregate or a minimum qualifying mark.
Clearing the gate is binary; a higher composite cannot rescue a failed eligibility check.
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Compare like with like. These calculators score out of 400-1000. Scores on different scales are not comparable, so never compare a percentage from one authority against a raw
mark from another.
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Plan for the closing cutoff, not the opening one. Opening cutoffs
are optimistic. Use last year's closing score per college and course, then leave yourself margin.
Conducting authorities referenced in this section: University of Delhi (CSAS UG Portal); Directorate of Collegiate Education (DCE), Tamil Nadu. Every rule here is reproduced from that
body's published admission brochure for 2025-2026.